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Configure NTP on master with master taking its time from global pool of ntp servers:
#Install ntp package	
#:<pre>
#:: apt install -y ntp ntpdate
#:</pre>
#Edit '<tt>/etc/ntp.conf</tt>' file and append time.google.com server as follows:
#:<pre>
#:: server time.google.com
#:</pre>
# Set correct time on current system using:
#:<pre>
#:: systemctl stop ntp
#:: ntpdate -b time.google.com
#:</pre>
# Start and enable ntp service
#:<pre>
#:: systemctl start ntp
#:: systemctl enable ntp
#:</pre>
# Check status of ntp service
#:<pre>
#:: systemctl status ntp
#:: ntpq -p
#:</pre>
#: We should see at least one server with st value less than 16 (Preferably less than 6). 
#: In the ntpq -p output first we may see list of pools.  The servers from the pool get listed later.  It takes a while for pool list to populate.


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